Ko-Ken

Ko-Ken


Ko-Ken Professional Tools: Premium Industrial Hand Tools

Professional-Grade Ko-Ken Tools from Your Trusted Michigan-Based Distributor

Discover the Ko-Ken collection at Freer Tool & Supply—your destination for premium Japanese hand tools and sockets renowned for precision, durability, and professional performance. Our selection includes Ko-Ken’s high-quality impact sockets, ratchets, extensions, and specialty tools, all engineered for demanding automotive, industrial, and maintenance applications. Whether you’re a technician, mechanic, or industry professional, Ko-Ken tools deliver the reliability and accuracy you need for every job.


Ko-ken United states distributors

High Performance Tools of Convincing Quality.

Founded in 2012 by Jim Chase, Koken USA began sharing in the tool marketplace about an excellent product line of tools that was new to North America. He was so impressed by their quality and engineering that he claimed, "If we can just get them (Koken sockets) into the hands of the consumer, they will never buy anything else."

First with the introduction of Koken's broad line of standard sockets and tools, followed by their offering of custom sockets to meet specific customer requirements, Koken quickly developed a reputation for quality tools and outstanding customer service in North America.

Available Product Lines:
Professional Hand Tools:

Socket Sets
Impact Sockets
Specialty Tools
Industrial Solutions


Ko-ken 14300A-7/8 1/2 Sq. Dr. Socket  7/8 6 point Length 85mm

Ko-ken 14300A-7/8 1/2 Sq. Dr. Socket 7/8 6 point Length 85mm

SKU: KK-14300A-7/8
MPN: 14300A-7/8

Sale price $32.73 List price $40.91
Save $8.18
Ko-ken 14300A-9/16 1/2 Sq. Dr. Socket  9/16 6 point Length 80mm

Ko-ken 14300A-9/16 1/2 Sq. Dr. Socket 9/16 6 point Length 80mm

SKU: KK-14300A-9/16
MPN: 14300A-9/16

Sale price $28.34 List price $35.42
Save $7.08
Ko-ken 14300G-10 1/2 Sq. Dr. Socket  10mm Slide Magnet Length 80mm

Ko-ken 14300G-10 1/2 Sq. Dr. Socket 10mm Slide Magnet Length 80mm

SKU: KK-14300G-10
MPN: 14300G-10

Sale price $38.63 List price $48.28
Save $9.65
Ko-ken 14300G-10FR 1/2 Sq. Dr. Socket with Plastic Protector  10mm Slide Magnet Length 80mm  Turnable POM cover

Ko-ken 14300G-10FR 1/2 Sq. Dr. Socket with Plastic Protector 10mm Slide Magnet Length 80mm Turnable POM cover

SKU: KK-14300G-10FR
MPN: 14300G-10FR

Sale price $139.61 List price $174.51
Save $34.90
Ko-ken 14300G-12 1/2 Sq. Dr. Socket  12mm Slide Magnet Length 80mm

Ko-ken 14300G-12 1/2 Sq. Dr. Socket 12mm Slide Magnet Length 80mm

SKU: KK-14300G-12
MPN: 14300G-12

Sale price $38.63 List price $48.28
Save $9.65
Ko-ken 14300G-12FR 1/2 Sq. Dr. Socket with Plastic Protector  12mm Slide Magnet Length 80mm  Turnable POM cover

Ko-ken 14300G-12FR 1/2 Sq. Dr. Socket with Plastic Protector 12mm Slide Magnet Length 80mm Turnable POM cover

SKU: KK-14300G-12FR
MPN: 14300G-12FR

Sale price $140.65 List price $175.81
Save $35.16
Ko-ken 14300G-13 1/2 Sq. Dr. Socket  13mm Sliding Magnet

Ko-ken 14300G-13 1/2 Sq. Dr. Socket 13mm Sliding Magnet

SKU: KK-14300G-13
MPN: 14300G-13

Sale price $39.31 List price $49.13
Save $9.82
Ko-ken 14300G-13FR 1/2 Sq. Dr. Socket with Plastic Protector  13mm Slide Magnet Length 80mm  Turnable POM cover

Ko-ken 14300G-13FR 1/2 Sq. Dr. Socket with Plastic Protector 13mm Slide Magnet Length 80mm Turnable POM cover

SKU: KK-14300G-13FR
MPN: 14300G-13FR

Sale price $141.23 List price $176.53
Save $35.30
Ko-ken 14300G-14 1/2 Sq. Dr. Socket  14mm Sliding Magnet

Ko-ken 14300G-14 1/2 Sq. Dr. Socket 14mm Sliding Magnet

SKU: KK-14300G-14
MPN: 14300G-14

Sale price $39.31 List price $49.13
Save $9.82
Ko-ken 14300G-14FR 1/2 Sq. Dr. Socket with Plastic Protector  14mm Slide Magnet Length 80mm  Turnable POM cover

Ko-ken 14300G-14FR 1/2 Sq. Dr. Socket with Plastic Protector 14mm Slide Magnet Length 80mm Turnable POM cover

SKU: KK-14300G-14FR
MPN: 14300G-14FR

Sale price $142.26 List price $177.82
Save $35.56
Ko-ken 14300G-15 1/2 Sq. Dr. Socket  15mm Slide Magnet Length 80mm

Ko-ken 14300G-15 1/2 Sq. Dr. Socket 15mm Slide Magnet Length 80mm

SKU: KK-14300G-15
MPN: 14300G-15

Sale price $43.24 List price $54.05
Save $10.81
Ko-ken 14300G-16 1/2 Sq. Dr. Socket  16mm Sliding Magnet

Ko-ken 14300G-16 1/2 Sq. Dr. Socket 16mm Sliding Magnet

SKU: KK-14300G-16
MPN: 14300G-16

Sale price $43.24 List price $54.05
Save $10.81
Ko-ken 14300G-16FR 1/2 Sq. Dr. Socket with Plastic Protector  16mm Slide Magnet Length 80mm  Turnable POM cover

Ko-ken 14300G-16FR 1/2 Sq. Dr. Socket with Plastic Protector 16mm Slide Magnet Length 80mm Turnable POM cover

SKU: KK-14300G-16FR
MPN: 14300G-16FR

Sale price $146.18 List price $182.72
Save $36.54
Ko-ken 14300G-17 1/2 Sq. Dr. Socket  17mm Sliding Magnet

Ko-ken 14300G-17 1/2 Sq. Dr. Socket 17mm Sliding Magnet

SKU: KK-14300G-17
MPN: 14300G-17

Sale price $43.24 List price $54.05
Save $10.81
Ko-ken 14300G-17FR 1/2 Sq. Dr. Socket with Plastic Protector  17mm Slide Magnet Length 80mm  Turnable POM cover

Ko-ken 14300G-17FR 1/2 Sq. Dr. Socket with Plastic Protector 17mm Slide Magnet Length 80mm Turnable POM cover

SKU: KK-14300G-17FR
MPN: 14300G-17FR

Sale price $146.18 List price $182.72
Save $36.54
Ko-ken 14300G-18 1/2 Sq. Dr. Socket  18mm Sliding Magnet

Ko-ken 14300G-18 1/2 Sq. Dr. Socket 18mm Sliding Magnet

SKU: KK-14300G-18
MPN: 14300G-18

Sale price $48.44 List price $60.55
Save $12.11
Ko-ken 14300G-19 1/2 Sq. Dr. Socket  19mm Sliding Magnet

Ko-ken 14300G-19 1/2 Sq. Dr. Socket 19mm Sliding Magnet

SKU: KK-14300G-19
MPN: 14300G-19

Sale price $52.85 List price $66.06
Save $13.21
Ko-ken 14300G-19FR 1/2 Sq. Dr. Socket with Plastic Protector  19mm Slide Magnet Length 80mm  Turnable POM cover

Ko-ken 14300G-19FR 1/2 Sq. Dr. Socket with Plastic Protector 19mm Slide Magnet Length 80mm Turnable POM cover

SKU: KK-14300G-19FR
MPN: 14300G-19FR

Sale price $155.67 List price $194.58
Save $38.91
Ko-ken 14300M-10 1/2 Sq. Dr. Socket  10mm 6 point Length 80mm

Ko-ken 14300M-10 1/2 Sq. Dr. Socket 10mm 6 point Length 80mm

SKU: KK-14300M-10
MPN: 14300M-10

Sale price $25.73 List price $32.16
Save $6.43
Ko-ken 14300M-10FR 1/2 Sq. Dr. Socket with Plastic Protector  10mm 6 point Length 80mm  Turnable POM cover

Ko-ken 14300M-10FR 1/2 Sq. Dr. Socket with Plastic Protector 10mm 6 point Length 80mm Turnable POM cover

SKU: KK-14300M-10FR
MPN: 14300M-10FR

Sale price $127.63 List price $159.53
Save $31.90
Ko-ken 14300M-11 1/2 Sq. Dr. Socket  11mm 6 point Length 80mm

Ko-ken 14300M-11 1/2 Sq. Dr. Socket 11mm 6 point Length 80mm

SKU: KK-14300M-11
MPN: 14300M-11

Sale price $25.73 List price $32.16
Save $6.43
Ko-ken 14300M-12 1/2 Sq. Dr. Socket  12mm 6 point Length 80mm

Ko-ken 14300M-12 1/2 Sq. Dr. Socket 12mm 6 point Length 80mm

SKU: KK-14300M-12
MPN: 14300M-12

Sale price $25.73 List price $32.16
Save $6.43
Ko-ken 14300M-12FR 1/2 Sq. Dr. Socket with Plastic Protector  12mm 6 point Length 80mm  Turnable POM cover

Ko-ken 14300M-12FR 1/2 Sq. Dr. Socket with Plastic Protector 12mm 6 point Length 80mm Turnable POM cover

SKU: KK-14300M-12FR
MPN: 14300M-12FR

Sale price $127.63 List price $159.53
Save $31.90
Ko-ken 14300M-13 1/2 Sq. Dr. Socket  13mm 6 point Length 80mm

Ko-ken 14300M-13 1/2 Sq. Dr. Socket 13mm 6 point Length 80mm

SKU: KK-14300M-13
MPN: 14300M-13

Sale price $25.73 List price $32.16
Save $6.43